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There are 16 points in a plane of which ...

There are 16 points in a plane of which 6 points are collinear and no other 3 points are collinear.Then the number of quadrilaterals that can be formed by joining these points is

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`.^(n)C_(3)-.^(p)C_(3)`
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NAGEEN PRAKASHAN-PERMUTATION AND COMBINATION -Exercise G
  1. How many words can be formed with 3 vowels and 2 consonants taken from...

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  2. There are 10 points on a plane of which 5 points are collinear. Also, ...

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  3. There are 16 points in a plane of which 6 points are collinear and no ...

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  4. No. of diagonals of a hexagon are:

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  5. Find the number of diagonals of a 16-sided polygon.

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  6. (i) Find the number of sides of a polygon if it has 35 diagonals. (i...

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  7. In how many ways can 7 red and 6 black balls be arranged in a row, if ...

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  8. In how many ways can 12 white and 8 black balls be arranged in a row i...

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  9. A person invites a group of 10 friends at dinner and sits 5 on a round...

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  10. In an examination a minimum is to be secured in ech of 5 subjects for ...

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  11. It is necessary to pass in each subject out of 7 subjects in an examin...

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  12. Find the number of ways of getting 2 heads and 4 tails in 6 throws of ...

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  13. How many factors are there of the number 2520?

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  14. How may other factors are there of the number 37800?

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  15. Out of 4 mangoes, 5 bananas and 6 guava, find (i) number of ways in ...

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  16. There are 4 red, 3 black and 5 white balls in a bag. Find the number o...

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  17. There are 4 white, 3 black and 3 red balls in a bag. Find the number o...

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  18. In how many ways can 8 books be divided between 2 students, if they ge...

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  19. Find the number oif different sums that can be formed with one rupee, ...

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  20. How many different amounts can be formed with one-one coin of Rs 1, Rs...

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